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Insight

SPACE: Thar Be Quakes on Mars

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Scientists just felt the Red Planet move under their feet — robotically from millions of miles away, on the stark surface of Mars. On April 6, NASA’s InSight lander sensed its first confirmed marsquake, a phenomenon scientists suspected, but couldn’t confirm, occurred on the neighboring planet. Measuring the Martian equivalent of earthquakes, seismic waves traveling through the interior of the planet, was among the lander’s key science goals. “We’ve been waiting months for our first marsquake,” Philippe Lognonné, the principal investigator for the seismometer instrument, said in a statement released by the French space agency, which runs the instrument with … Read more

Is Mars Hiding Life Under the Surface? – Live Science

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Insight - NASA

To find life on Mars, scientists may need to give up surface exploration and “go deep.” Typically, Mars missions searching for signs of life target the planet’s surface, at sites where there are signs of ancient water (a reliable indicator of where life is found on Earth). But while no life has turned up yet on Mars’ surface, there may be an abundance of microbial Martians congregating underground, according to research presented Dec. 11 here at the annual meeting of the American Geophysical Union (AGU). In recent decades, explorations underground on Earth have revealed the so-called deep biosphere — a … Read more